EP2400695B1 - Verarbeitungsverfahren zur Einstellung von Kommunikationsparametern, Kommunikationsvorrichtung und entsprechendes Programm - Google Patents

Verarbeitungsverfahren zur Einstellung von Kommunikationsparametern, Kommunikationsvorrichtung und entsprechendes Programm Download PDF

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EP2400695B1
EP2400695B1 EP11007695.7A EP11007695A EP2400695B1 EP 2400695 B1 EP2400695 B1 EP 2400695B1 EP 11007695 A EP11007695 A EP 11007695A EP 2400695 B1 EP2400695 B1 EP 2400695B1
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Prior art keywords
communication
terminal
communication parameters
providing
receiving
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French (fr)
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EP2400695A1 (de
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Kenichi Fujii
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Canon Inc
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Canon Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the present invention relates to a communication parameter setting method for setting communication parameters in a communication apparatus, a communication apparatus, a control method therefor, and a program.
  • the setting items include wireless parameters necessary for wireless communication, such as an SSID as a network identifier, an encryption scheme, an encryption key, an authentication scheme, and an authentication key. It is very troublesome for a user to manually set them.
  • each manufacturer often employs its own method. Procedures for setting wireless parameters or interpretable messages are different between apparatuses which do not support a common wireless parameter automatic setting method. In this case, it is impossible to set wireless parameters using the automatic setting method. On the other hand, between apparatuses which support a common wireless parameter automatic setting method, it is possible to easily set wireless parameters using the automatic setting method.
  • an apparatus as a receiver cannot determine from which of those providers it should receive parameter information.
  • US 2006/0045055 A1 discloses a method and apparatus for real-time ad-hoc network deployment, where, during deployment, nodes that make up the network are periodically dropped in a serial fashion. During deployment, a node will immediately determine if it will become a network coordinator by determining if a piconet coordinator beacon is heard. If, during deployment, a beacon isn't heard, the node will become a piconet coordinator and will assume those responsibilities immediately.
  • EP 1 545 053 A2 discloses a communication apparatus that is used as a terminal in a communication network wherein one of a plurality of terminals acts as a master and the other(s) as slave(s), thereby executing communication between the terminals, and wherein a master/slave role switch can be performed.
  • the present invention makes it possible to set communication parameters even if the roles of a provider and receiver of parameters are not predetermined.
  • Fig. 1 shows a network configuration example for explaining an embodiment.
  • a terminal A 100a, terminal B 100b, and terminal C 100c which have a wireless communication function of an IEEE802.11 wireless LAN.
  • the terminal A 100a is referred to as a terminal A; the terminal B 100b, a terminal B; and the terminal C 100c, a terminal C hereinafter.
  • the terminal A, terminal B, and terminal C have a wireless parameter automatic setting application.
  • the first terminal provides the second terminal with wireless parameters for executing wireless communication.
  • the wireless parameters are all or some pieces of information such as an SSID as a network identifier, an encryption scheme, an encryption key, an authentication scheme, and an authentication key.
  • the second terminal sets the received wireless parameters.
  • the wireless parameters are provided using a predetermined procedure and a message by means of a packet which can be communicated regardless of the wireless parameters of the two communication terminals.
  • the wireless parameters may be provided using a predetermined procedure and a message in the following manner.
  • the two terminals go into a setting mode, and change their wireless parameters to predetermined ones for setting, thereby establishing communication between the terminals.
  • the terminal B in Fig. 1 stores, in a memory, wireless parameter setting information 101b as setting information of wireless parameters for wireless communication.
  • the terminal C stores wireless parameter setting information 101c in a memory.
  • the wireless parameter setting information contains wireless parameters for executing wireless communication, such as an SSID as a network identifier, an encryption scheme, an encryption key, an authentication scheme, and an authentication key.
  • Each terminal performs wireless communication by ad hoc communication in an IEEE802.11 wireless LAN ad hoc mode.
  • Fig. 2 is a block diagram showing a configuration example for the terminal A, terminal B, and terminal C.
  • a ROM 12 stores programs for executing various processes (to be described later).
  • a RAM 11 stores temporary variables, data, and cache data.
  • the RAM 11 has a wireless parameter setting unit 11a for setting wireless parameters.
  • the RAM 11 has a function information setting unit 11b, function information reception flag 11c, function information change flag 11d, timer T1 11e, and timer T2 11f (to be described later).
  • a CPU 13 executes the programs stored in the ROM 12 to perform various processes (to be described later).
  • the CPU 13 has an automatic setting execution unit 13a for executing a wireless parameter automatic setting application.
  • a control unit 14 controls a wireless function.
  • An RF unit 15 performs wireless LAN communication complying with the IEEE802.11 standard via an antenna unit 18.
  • An external interface unit 16 is a wired interface for connecting the terminal with external apparatuses.
  • An external interface module 17 is a module such as a connector for connecting external apparatuses.
  • Information processing apparatuses as external apparatuses such as a personal computer, digital camera, printer, and scanner are connected via the external interface unit 16 and the external interface module 17.
  • the hardware configuration shown in Fig. 2 is an example, and it is possible to use other configurations.
  • Figs. 3 and 4 are flowcharts showing the operation of the wireless parameter setting processing in the terminal A, terminal B, and terminal C in this embodiment.
  • the operation shown in Figs. 3 and 4 is implemented when the automatic setting execution unit 13a of the CPU 13 in each of the terminal A, terminal B, and terminal C respectively executes the programs stored in the ROM 12.
  • the wireless parameter setting processing is initiated by an operation such as an operation of pressing a button on an operation unit (not shown) of the terminal.
  • the automatic setting execution unit 13a determines whether wireless parameter setting information is stored in the wireless parameter setting unit 11a (S300). Since the terminal A does not store the wireless parameter setting information in the wireless parameter setting unit 11a, the process advances to step S401 in Fig. 4 .
  • the process advances to step S301. Since the terminal C also stores the wireless parameter setting information 101c in the wireless parameter setting unit 11a, the process advances to step S301.
  • the automatic setting execution unit 13a of the terminal which stores the wireless parameter setting information in the wireless parameter setting unit 11a sets, to "Provider Candidate", function information indicating whether the terminal can provide or receive parameters, and sets it in the function information setting unit 11b (S301).
  • the automatic setting execution unit 13a sets OFF the function information reception flag 11c indicating whether the terminal has received function information from another terminal (S302). Furthermore, the automatic setting execution unit 13a sets OFF the function information change flag 11d indicating whether the function information of its own terminal has changed (S303).
  • the automatic setting execution unit 13a starts the timer T1 in which a time-out value for the whole of the wireless parameter setting processing is set (S304).
  • the automatic setting execution unit 13a waits for function information from another terminal in the wireless parameter setting processing, and starts the timer T2 in which a time-out value for initiating processing of determining a final function of its own terminal is set (S305).
  • the value of the timer T1 is much larger than that of the timer T2, and is predetermined.
  • the value of the timer T2 may be a fixed time-out value which is predetermined in a system, or may be a time-out value which is determined as a random value smaller than the value of the timer T1 when starting the timer T2.
  • the automatic setting execution unit 13a broadcasts the function information (which is already set to "Provider Candidate” at this time) of its own terminal to another terminal in the same network (S306).
  • the automatic setting execution unit 13a determines whether the timer T2 has expired (S307). If the timer T2 has not expired, the automatic setting execution unit 13a determines whether the terminal has received function information from another terminal (S308). If the terminal has not received function information from any other terminal, the process returns to the function information transmission processing (S306). If the terminal receives function information, the automatic setting execution unit 13a sets the function information reception flag 11c ON (S309). Furthermore, the automatic setting execution unit 13a determines whether the received function information indicates "Provider" which means that the terminal is confirmed as a provider of parameters (S310). If the received function information indicates "Provider", the automatic setting execution unit 13a sets the function information change flag 11d ON (S311); otherwise, the process returns to the function information transmission processing (S306).
  • the automatic setting execution unit 13a determines whether the function information reception flag 11c is ON (S312). If the function information reception flag 11c is OFF, it can be considered that no other terminal exists in the same network. The automatic setting execution unit 13a changes the function information of its own terminal to "Provider”, and sets it in the function information setting unit 11b (S315). Alternatively, if the function information reception flag 11c is ON, the automatic setting execution unit 13a checks the function information change flag 11d (S313). If the function information reception flag 11c is ON, it means that another terminal exists in the same network.
  • the automatic setting execution unit 13a changes the function information of its own terminal to "Receiver”, and sets it in the function information setting unit 11b (S314). If the function information change flag 11d is OFF, a provider of wireless parameters does no exist in the same network. The automatic setting execution unit 13a changes the function information of its own terminal to "Provider”, and sets it in the function information setting unit 11b (S315). When steps S314 and S315 are complete, whether the role of the terminal is the providing side or receiving side of wireless parameters is determined.
  • the providing side actually transmits wireless parameters to a receiver (receiving side), and executes registration processing of registering the wireless parameters with the receiver.
  • the automatic setting execution unit 13a transmits the function information of its own terminal to other terminals (S316), and starts the wireless parameter registration processing with the other terminals (S317). At this time, the automatic setting execution unit 13a checks the setting contents of the function information setting unit 11b to determine whether the function information of its own terminal indicates "Provider” or "Receiver” (S318). If the function information indicates "Provider", the terminal is the providing side of wireless parameters; otherwise, the terminal is the receiving side of wireless parameters.
  • the automatic setting execution unit 13a provides a terminal on the receiving side with wireless parameters which are set in the wireless parameter setting unit 11a, in accordance with a request from the terminal on the receiving side (S319).
  • the automatic setting execution unit 13a terminates the setting processing when the timer T1 has expired or an end operation by the user is detected (S320).
  • the CPU 13 performs wireless LAN communication using the wireless parameters set in the wireless parameter setting unit 11a. If neither the timer T1 has expired nor an end operation is detected, the automatic setting execution unit 13a repeats the wireless parameter registration processing with the remaining terminals.
  • the automatic setting execution unit 13a requests wireless parameters to another terminal whose function information indicates "Provider”, and executes reception processing of the wireless parameters (S321).
  • the automatic setting execution unit 13a sets the received wireless parameters in the wireless parameter setting unit 11a, and terminates the setting processing (S322).
  • the CPU 13 Upon terminating the setting processing, the CPU 13 performs wireless LAN communication using the wireless parameters set in the wireless parameter setting unit 11a.
  • the wireless parameters are requested by transmitting a registration start request (to be described later).
  • FIG. 4 shows the processing executed by a terminal whose wireless parameter setting unit 11a does not store the wireless parameter setting information.
  • the automatic setting execution unit 13a sets, to "Receiver", the function information indicating whether its own terminal can provide or receive parameters, and sets it in the function information setting unit 11b (S401). This is because a terminal whose wireless parameter setting unit 11a does not store wireless parameters starts the wireless parameter setting processing to require another terminal to provide wireless parameters.
  • the automatic setting execution unit 13a then starts the timer T1 in which the time-out value for the whole of the wireless parameter setting processing is set (S402).
  • the automatic setting execution unit 13a broadcasts the function information (which is already set to "Receiver” at this time) of its own terminal to another terminal or terminals in the same network (S403).
  • the automatic setting execution unit 13a determines whether its own terminal receives function information from another terminal (S404). If the terminal does not receive the function information from any other terminal, the automatic setting execution unit 13a determines whether the timer T1 has expired or whether the user executes an end operation (S409). If the timer T1 has expired or an end operation by the user is detected (S409), the automatic setting execution unit 13a terminates the setting processing. If neither the timer T1 has expired nor an end operation is detected, the automatic setting execution unit 13a repeats the transmission of the function information (S403).
  • the automatic setting execution unit 13a determines whether the received function information indicates "Provider” which means the terminal is determined as a provider of parameters (S405). If the received function information does not indicate "Provider”, the automatic setting execution unit 13a executes the above processing in step S409. If the received function information indicates "Provider”, the automatic setting execution unit 13a starts wireless parameter registration processing with the terminal which has transmitted the function information indicating "Provider” (S406). Once the registration processing starts, the automatic setting execution unit 13a requests wireless parameters to the terminal which has transmitted the function information indicating "Provider".
  • the automatic setting execution unit 13a receives the wireless parameters transmitted by the terminal which has received the request (S407), sets the received wireless parameters in the wireless parameter setting unit 11a, and terminates the setting processing (S408). Upon terminating the setting processing, the CPU 13 performs wireless LAN communication using the wireless parameters set in the wireless parameter setting unit 11a.
  • each terminal executes the above processing, a terminal which provides wireless parameters and a terminal which receives them are determined, and automatic setting of the wireless parameters from the terminal on the providing side to that on the receiving side is performed. After setting the wireless parameters, it is possible to execute wireless LAN communication using the set wireless parameters.
  • Fig. 5 is a sequence diagram showing a case in which the terminal A, terminal B, and terminal C operate in a wireless LAN ad hoc mode and the terminals exist on the same network.
  • An example in Fig. 5 shows the operations of the terminals in the following situation.
  • the terminal C starts the wireless parameter setting processing after the terminal A and terminal B initiate the setting processing at almost the same time, and a time-out of the timer T2 of the terminal B occurs earlier than that of the timer T2 of the terminal C.
  • the terminal A and terminal B initiate the wireless parameter setting processing at almost the same time.
  • the terminal B starts the timer T2.
  • the terminal A broadcasts ProbeReq (to be referred to as a probe request R hereinafter) in which its function information is set to R (F500).
  • the terminal B which has received the probe request R from the terminal A, returns ProbeRsp (to be referred to as a probe response PC hereinafter) in which its function information is set to PC (F501).
  • the terminal B broadcasts ProbeReq (to be referred to as a probe request PC hereinafter) in which its function information is set to PC (F502).
  • the terminal A which has received the probe request PC from the terminal B, returns ProbeRsp (to be referred to as a probe response R hereinafter) in which its function information is set to R (F503).
  • the terminal C newly participates in the network.
  • the terminal C broadcasts a probe request PC in which its function information is set to PC (F504).
  • the terminal B returns a probe response PC as a response to the request (F505).
  • the terminal A returns a probe response R (F505-1).
  • the terminal B broadcasts ProbeReq (to be referred to as a probe request P hereinafter) in which its function information is set to P (F506 and F507).
  • the terminal A returns a probe response R in response to the probe request P from the terminal B (F509). Since the timer T2 of the terminal C has not expired, the terminal C returns a probe response PC in response to the probe request P from the terminal B (F508).
  • the terminal A Since the terminal A receives the probe request P in which the function information is set to "Provider", the terminal A starts the registration processing with the terminal B which has transmitted the probe request P.
  • the terminal A which has started the registration processing, transmits Registration Start Request (to be referred to as a registration start request hereinafter) indicating a start request of the wireless parameter setting processing to the terminal B (F510).
  • the terminal B which has received the request advances the registration processing with the terminal A (F512). In this processing, security authentication, key exchange, and the like are executed between the terminals.
  • the terminal B transmits wireless parameters by using Parameter Info Offer to the terminal A, thereby providing the wireless parameters (F513).
  • the terminal A Upon receiving the wireless parameters, the terminal A transmits Parameter Receive Succeeded indicating the success of the reception to the terminal B (F514). Upon receiving Parameter Receive Succeeded, the terminal B transmits Registration Finished indicating the end of the registration processing to the terminal A (F515).
  • the terminal A is provided with wireless parameters by the terminal B, and sets them to perform wireless LAN communication.
  • the terminal B transmits, on the network, Beacon (to be referred to as a beacon) which contains information indicating "BUSY" in order to suppress the registration processing from another terminal.
  • Beacon to be referred to as a beacon
  • a terminal which has received the beacon suppresses the start of the registration processing (F511).
  • the terminal B transmits a beacon which contains information indicating "IDLE" on the network (F516).
  • a terminal which has detected the beacon, starts the registration processing which has been suppressed (F517).
  • the registration processing starts after a time-out of the timer T2.
  • the terminal C receives the function information indicating "Provider” from the terminal B before the timer T2 expires. When the timer T2 expires, the terminal C, therefore, sets its function information to "Receiver".
  • the terminal C Upon receiving the beacon which contains the information indicating "IDLE", the terminal C requests the terminal B to start the wireless parameter registration processing by transmitting a registration start request to the terminal B (F517).
  • the following registration processing (F518, F519, F520, and F521) between the terminal B and terminal C is the same as the above-mentioned processing between the terminal A and terminal B, and a description thereof will be omitted.
  • a beacon is used for notifying other terminals of the state of its own terminal in order to suppress the setting processing. However, it is possible to obtain the same effects by containing information indicating a setting processing execution state, information indicating a busy state, and the like in a probe request or probe response.
  • Fig. 6 is a sequence diagram showing a case in which the terminal A, terminal B, and terminal C operate in a wireless LAN ad hoc mode and the terminals exist on the same network.
  • An example in Fig. 6 shows the operations of the terminals in the following situation.
  • the terminal B starts the wireless parameter setting processing after the terminal A and terminal C initiate the setting processing at almost the same time, and a time-out of the timer T2 of the terminal C occurs earlier than that of the timer T2 of the terminal B.
  • Fig. 6 The basic part of Fig. 6 is the same as that of the sequence in Fig. 5 .
  • the operations of the terminals will be explained below in terms of a characteristic part of Fig. 6 in accordance with the sequence diagram.
  • the terminal A and terminal C initiate the wireless parameter setting processing at almost the same time.
  • the terminal C starts the timer T2.
  • the terminal A broadcasts a probe request R in which its function information is set to R (F600).
  • the terminal C Upon receiving the probe request R from the terminal A, the terminal C returns a probe response PC in which its function information is set to PC (F601).
  • the terminal B starts the setting processing next.
  • the terminal B broadcasts a probe request PC in which its function information is set to PC (F602 and F603).
  • the terminal C returns a probe response PC (F604), and the terminal A returns a probe response R (F605).
  • the terminal C does not receive function information indicating "Provider” before the timer T2 expires.
  • the terminal C broadcasts a probe request P (F606 and F607).
  • the terminal A Upon receiving the probe request P from the terminal C, the terminal A returns a probe response R (F608).
  • the terminal B Assume that the timer T2 expires before the terminal B responds to the probe request P from the terminal C. Since the terminal B has received the probe request P from the terminal C, the terminal B changes its function information to "Receiver", and returns a probe response R in response to the probe request P from the terminal C (F609).
  • the terminal C transmits a beacon which contains information indicating "IDLE” on the network (F610 and F611).
  • the terminal A transmits a registration start request indicating a start request of the registration processing to the terminal C whose function information indicates "Provider” (F612).
  • the terminal C Upon receiving the registration start request, the terminal C transmits a beacon which contains information indicating "BUSY" on the network (F613 and F614).
  • the terminal C which has received the registration start request from the terminal A advances the registration processing with the terminal A (F615), and provides the terminal A with the wireless parameter setting information (F616, F617, and F618).
  • the terminal B which has received the beacon indicating "BUSY" suppresses the registration processing.
  • the terminal C changes the beacon to indicate "IDLE”, and transmits it (F619).
  • the terminal B releases the suppression of the registration processing, and starts the registration processing with the terminal C (F620 to F624).
  • Fig. 7 is a sequence diagram in which the terminal A, terminal B, and terminal C operate in a wireless LAN ad hoc mode, only the terminal B forms a network at first, and the terminal A and terminal C participate in the same network when the timer T2 of the terminal B expires.
  • Fig. 7 The basic part of Fig. 7 is the same as that of the sequence in Fig. 5 or 6 .
  • the operations of the terminals will be explained below in terms of a characteristic part of Fig. 7 in accordance with the sequence diagram.
  • the terminal B initiates the wireless parameter setting processing, and starts the timer T2.
  • the terminal B broadcasts a probe request PC in which its function information is set to PC (F700 to F703).
  • Fig. 7 shows a state in which there is no response since other terminals do not participate in the network at this time.
  • the terminal B broadcasts a probe request P in which its function information is set to "Provider”. At this point, other terminals do not participate (F704 and F705).
  • the terminal C participates in the network.
  • the terminal C broadcasts a probe request PC (F706 and F707)
  • the terminal C receives a probe response P transmitted as a response by the terminal B (F708).
  • the terminal A also participates in the network next.
  • the terminal A returns a probe response R in response to the probe request P (F710) from the terminal B (F712).
  • the terminal C changes its function information to "Receiver” since the terminal C has received function information indicating "Provider” from the terminal B.
  • the terminal C returns a probe response R in response to the probe request P from the terminal B (F709 and F711).
  • the terminal B and terminal C execute the registration processing (F713 to F719).
  • the terminal B and terminal A also perform the registration processing (F720 to F725).
  • a terminal which can provide communication parameters starts its operation after setting its function information to "Provider Candidate".
  • the terminal whose function information indicates “Provider Candidate” finally sets the function information to "Provider” or “Receiver", and serves as a provider or receiver of the communication parameters.
  • a terminal which cannot provide the communication parameters sets its function information to "Receiver”, and starts the operation.
  • the terminal discovers a terminal whose function information indicates "Provider”
  • the terminal receives communication parameters from that terminal. In this manner, even if the roles of a provider and receiver of communication parameters are not predetermined, it is possible to easily uniquely determine the transfer direction of communication parameters.
  • a wireless LAN complying with the IEEE802.11 standard is described as an example.
  • the present invention may be implemented in another wireless medium such as a wireless USB, MBOA (Multi Band OFDM Alliance), Bluetooth®, UWB (WUSB, W1394, WINET), and ZigBee.
  • the present invention may be implemented in a wired communication medium such as a wired LAN.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Claims (7)

  1. Kommunikationsvorrichtung, umfassend:
    eine Feststellungseinrichtung, die dafür ausgelegt ist, eine weitere Kommunikationsvorrichtung zu detektieren und eine Funktion derselben in Bezug auf ein Kommunikationsparameter-Einstellverfahren festzustellen;
    eine Einstelleinrichtung (S304, S315), die dafür ausgelegt ist, eine Funktion der Kommunikationsvorrichtung in Bezug auf das Kommunikationsparameter-Einstellverfahren einzustellen; sowie
    eine Ausführungseinrichtung (S321, S319), die dafür ausgelegt ist, das Kommunikationsparameter-Einstellverfahren durch Austauschen von vorbestimmten Nachrichten zwischen einer bereitstellenden Vorrichtung von Kommunikationsparametern und einer empfangenden Vorrichtung von Kommunikationsparametern auszuführen, um es der bereitstellenden und der empfangenden Vorrichtung zu ermöglichen, in einem Netz miteinander zu kommunizieren;
    wobei:
    i) falls die Kommunikationsvorrichtung eine bereitstellende Vorrichtung innerhalb einer vorbestimmten Zeitspanne detektiert, während die Kommunikationsvorrichtung nicht eine bereitstellende Vorrichtung ist, die Ausführungseinrichtung als die empfangende Vorrichtung das Kommunikationsparameter-Einstellverfahren mit der detektierten bereitstellenden Vorrichtung ausführt (S314, S321), um von der detektierten bereitstellenden Vorrichtung einen Kommunikationsparametersatz zu empfangen,
    ii) ansonsten, falls die Kommunikationsvorrichtung eine empfangende Vorrichtung detektiert, während die Kommunikationsvorrichtung nicht eine empfangende Vorrichtung ist, die Ausführungseinrichtung als die bereitstellende Vorrichtung das Kommunikationsparameter-Einstellverfahren mit der detektierten empfangenden Vorrichtung ausführt (S315, S319), um der detektierten empfangenden Vorrichtung einen Kommunikationsparametersatz bereitzustellen,
    wobei der Kommunikationsparametersatz wenigstens eines aus einem Verschlüsselungsschema, einem Verschlüsselungsschlüssel, einem Authentifizierungsschema und einem Authentifizierungsschlüssel umfasst.
  2. Vorrichtung nach Anspruch 1,
    wobei die Einstelleinrichtung die Funktion der Kommunikationsvorrichtung an der bereitstellenden Vorrichtung einstellt, falls die bereitstellende Vorrichtung nicht innerhalb der vorbestimmten Zeitspanne detektiert wird, während die Kommunikationsvorrichtung nicht eine bereitstellende Vorrichtung ist.
  3. Vorrichtung nach Anspruch 2,
    wobei ein Fall, in dem die bereitstellende Vorrichtung nicht detektiert worden ist, einen Fall beinhaltet, in dem ein Vorhandensein einer beliebigen anderen Kommunikationsvorrichtung nicht detektiert worden ist.
  4. Vorrichtung nach Anspruch 1,
    weiterhin umfassend eine Sendeeinrichtung, um die Funktion der Kommunikationsvorrichtung in Bezug auf das Kommunikationsparameter-Einstellverfahren an eine weitere Kommunikationsvorrichtung zu senden.
  5. Vorrichtung nach Anspruch 1,
    wobei der Kommunikationsparametersatz einen Netzwerkidentifikator beinhaltet.
  6. Steuerverfahren für eine Kommunikationsvorrichtung, das die folgenden Schritte umfasst:
    Detektieren einer weiteren Kommunikationsvorrichtung und Feststellen einer Funktion (S310) derselben in Bezug auf ein Kommunikationsparameter-Einstellverfahren;
    selektives Einstellen einer Funktion (S314, S315) der Kommunikationsvorrichtung in Bezug auf das Kommunikationsparameter-Einstellverfahren; sowie
    Ausführen des Kommunikationsparameter-Einstellverfahrens (S321, S319) durch Austauschen von vorbestimmten Nachrichten zwischen einer bereitstellenden Vorrichtung von Kommunikationsparametern und einer empfangenden Vorrichtung von Kommunikationsparametern, um es der bereitstellenden und der empfangenden Vorrichtung zu ermöglichen, in einem Netz miteinander zu kommunizieren, wobei:
    i) falls die Kommunikationsvorrichtung eine bereitstellende Vorrichtung innerhalb einer vorbestimmten Zeitspanne detektiert, während die Kommunikationsvorrichtung nicht eine bereitstellende Vorrichtung ist, die Kommunikationsvorrichtung als die empfangende Vorrichtung das Kommunikationsparameter-Einstellverfahren mit der detektierten bereitstellenden Vorrichtung ausführt (S314, S321), um von der detektierten bereitstellenden Vorrichtung einen Kommunikationsparametersatz zu empfangen,
    ii) ansonsten, falls die Kommunikationsvorrichtung eine empfangende Vorrichtung detektiert, während die Kommunikationsvorrichtung nicht eine empfangende Vorrichtung ist, die Kommunikationsvorrichtung als die bereitstellende Vorrichtung das Kommunikationsparameter-Einstellverfahren mit der detektierten empfangenden Vorrichtung ausführt (S315, S319), um der detektierten empfangenden Vorrichtung einen Kommunikationsparametersatz bereitzustellen,
    wobei der Kommunikationsparametersatz wenigstens eines aus einem Verschlüsselungsschema, einem Verschlüsselungsschlüssel, einem Authentifizierungsschema und einem Authentifizierungsschlüssel umfasst.
  7. Computerlesbares Speichermedium, das ein Programm für ein computerimplementiertes Verfahren zum Steuern einer Kommunikationsvorrichtung speichert, wobei das Verfahren die Schritte von Anspruch 6 beinhaltet.
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